Tatanka Wind Power LLC
Wind power plant in Dickey County, North Dakota. 180 MW of nameplate capacity across 1 generator, operated by Acciona Wind Energy USA LLC.
Also known as Tatanka Wind Power · Tatanka · EIA plant 56669
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 180 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- January 2008First generator online
- Operator
- Acciona Wind Energy USA LLCEIA operator ID 55918
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Dickey County, ND45.9593, −98.9463
- EIA plant ID
- 56669EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Tatanka Wind Power produces
Free · EIA-923Net generation, 2025
476 GWh
476,125 MWh, final
Capacity factor, 2025
30.2%
2024: 17.7%
January to July 2026
279 GWh
Provisional
Range, 2015 to 2025
161.4–643.3
GWh a year. Low 2021, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | 399,741 | Not reported | 12 of 12 |
| 2009 | 644,030 | Not reported | 12 of 12 |
| 2010 | 581,250 | 36.9% | 12 of 12 |
| 2011 | 650,193 | 41.2% | 12 of 12 |
| 2012 | 662,973 | 41.9% | 12 of 12 |
| 2013 | 620,652 | 39.4% | 12 of 12 |
| 2014 | 702,923 | 44.6% | 12 of 12 |
| 2015 | 592,928 | 37.6% | 12 of 12 |
| 2016 | 643,314 | 40.7% | 12 of 12 |
| 2017 | 515,150 | 32.7% | 12 of 12 |
| 2018 | 621,206 | 39.4% | 12 of 12 |
| 2019 | 602,534 | 38.2% | 12 of 12 |
| 2020 | 373,198 | 23.6% | 12 of 12 |
| 2021 | 161,425 | 10.2% | 12 of 12 |
| 2022 | 176,807 | 11.2% | 12 of 12 |
| 2023 | 290,278 | 18.4% | 12 of 12 |
| 2024 | 280,207 | 17.7% | 12 of 12 |
| 2025 | 476,125 | 30.2% | 12 of 12 |
| 2026 (provisional, partial year) | 279,069 | 30.5% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · MISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| TW1 | Onshore Wind Turbine | 180.0 | January 2008 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Acciona Wind Energy USA LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Tatanka Wind Power
More plants operated by Acciona Wind Energy USA LLC
Questions about Tatanka Wind Power
How much power does Tatanka Wind Power LLC produce?
Tatanka Wind Power LLC reported 476,125 MWh (476 GWh) of net generation in 2025, a 30.2% capacity factor on 180 MW of nameplate capacity. From January to July 2026 it reported 279 GWh, which is provisional.
Where is Tatanka Wind Power LLC?
Tatanka Wind Power LLC is in Dickey County, North Dakota, at 45.9593, −98.9463. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Tatanka Wind Power LLC?
EIA-860M for August 2026 lists Acciona Wind Energy USA LLC as the operator (EIA operator ID 55918). The operator is not always the owner.
When did Tatanka Wind Power LLC start operating?
Its first generator began operating in January 2008, according to EIA-860M.
Does InfraMap have power prices for Tatanka Wind Power LLC?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Tatanka Wind Power LLC, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
- Project names from the USGS U.S. Wind Turbine Database
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page